You must perform the following tasks:
Complete the prerequisite steps in "How to Install the Enterprise 250 Server".
Determine which of the two Ethernet ports you want to use; see "About Network Interface Options".
Attach a cable to the appropriate Ethernet port; see "How to Attach a Twisted-Pair Ethernet (TPE) Cable" or "How to Attach an MII Ethernet Transceiver".
You can configure only one Ethernet interface during installation of the operating system. To configure additional interfaces, see "How to Add an Ethernet Interface".